<template>
  <h2>当前求和为:{{ sum }}</h2>
  <button @click="sum++">点我+1</button>
  <hr />
  <h2>姓名:{{ name }}</h2>
  <h2>年龄:{{ age }}</h2>
  <h2>薪资:{{ job.j1.salary }}K</h2>
  <h2>汽车:{{ person.car }}</h2>
  <button @click="name += '~'">修改姓名</button>
  <button @click="age++">修改年龄</button>
  <button @click="job.j1.salary++">增长薪资</button>
  <button @click="showRawPerson">输出最原始的person</button>
  <button @click="addCar">给人添加一台车</button>
  <button @click="person.car.name += '!'">换车名</button>
  <button @click="person.car.price++">换价格</button>
</template>

<script>
import { markRaw, reactive, ref, toRaw, toRefs } from "vue";
export default {
  name: "Demo",
  setup() {
    let person = reactive({
      name: "张三",
      age: 18,
      job: {
        j1: {
          salary: 20,
        },
      },
    });
    let sum = ref(0);
    function showRawPerson() {
      console.log(toRaw(person));
    }
    function addCar() {
      let car = {
        name: "奔驰",
        price: 40,
      };
      person.car = markRaw(car);
    }
    return {
      ...toRefs(person),
      sum,
      showRawPerson,
      addCar,
      person,
    };
  },
};
</script>

<style></style>
